First, I set the oven for 350 degrees and then spread the butter over a glass baking dish. I then rinsed and diced up the potatoes and added them to my glass dish. After I added the potatoes, I then added the parsley and the seasoning and used a spoon to mix it all together:

I placed it into the oven and baked it for about 25 minutes. After 25 minutes, I took it out and stirred it around to make sure everything was seasoned and cooked evenly. I placed the potatoes back in the oven for an additional 12 minutes and after that, the potatoes were done: